[代數] 請問一題最大值最小值
x^2 + 34x -71 / (x^2 + 2x -7) 求極大值和極小值
答案我有點看不懂，他是有五點
1. 1 + 32(x-2)/ (x^2+ 2x -7)
2. 0
3. y≧1/4, y≦1/8
4. 當y=1/4為極小值時, x = 1
當y=1/8為極大值時, x = 3
5. x=1, 極小值為9
x=3, 極大值為5
拜託大大了!
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